/*
 * Copyright (c) 2006-2019, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2021-05-24                  the first version
 */

#include <rthw.h>
#include <rtthread.h>

#if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP)
/*
 * Please modify RT_HEAP_SIZE if you enable RT_USING_HEAP
 * the RT_HEAP_SIZE max value = (sram size - ZI size), 1024 means 1024 bytes
 */
#define RT_HEAP_SIZE (60*1024)
static rt_uint8_t rt_heap[RT_HEAP_SIZE];

RT_WEAK void *rt_heap_begin_get(void)
{
    return rt_heap;
}

RT_WEAK void *rt_heap_end_get(void)
{
    return rt_heap + RT_HEAP_SIZE;
}
#endif

void rt_os_tick_callback(void)
{
    rt_interrupt_enter();
    
    rt_tick_increase();

    rt_interrupt_leave();
}

void SysTick_Handler (void) {
    rt_os_tick_callback();
}

#include "gd32f4xx.h"                   // Device header
#include "base.h"

/**
 * This function will initial your board.
 */
void rt_hw_board_init(void)
{
    hardware_init();
    /* 
     * TODO 1: OS Tick Configuration
     * Enable the hardware timer and call the rt_os_tick_callback function
     * periodically with the frequency RT_TICK_PER_SECOND. 
     */
    SystemCoreClockUpdate();
    SysTick_Config(SystemCoreClock / 1000);

    /* Call components board initial (use INIT_BOARD_EXPORT()) */
#ifdef RT_USING_COMPONENTS_INIT
    rt_components_board_init();
#endif

#if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP)
    rt_system_heap_init(rt_heap_begin_get(), rt_heap_end_get());
#endif
}

#ifdef RT_USING_CONSOLE


INIT_BOARD_EXPORT(uart_init);

void rt_hw_console_output(const char *str)
{
    while (*str) {
        uart_write(*str++);
    }
}

char rt_hw_console_getchar(void) {
    if (uart_available()) {
        return uart_read();
    } else {
        rt_thread_mdelay(10);
        return -1;
    }
}
#endif

